US6604329B2 - Light conducting tube for a skylight - Google Patents

Light conducting tube for a skylight Download PDF

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Publication number
US6604329B2
US6604329B2 US10/017,962 US1796201A US6604329B2 US 6604329 B2 US6604329 B2 US 6604329B2 US 1796201 A US1796201 A US 1796201A US 6604329 B2 US6604329 B2 US 6604329B2
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US
United States
Prior art keywords
tube
end portion
open end
roof
side walls
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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US10/017,962
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US20020051297A1 (en
Inventor
Walter S. Hoy
Gary F. Cunagin
Mark W. Hopkins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Easylock A Tx LLC LLC
Fox Lite Inc
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Fox Lite Inc
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Publication date
Application filed by Fox Lite Inc filed Critical Fox Lite Inc
Priority to US10/017,962 priority Critical patent/US6604329B2/en
Assigned to FOX LITE, INC. reassignment FOX LITE, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CUNAGIN, GARY F., HOPKINS, MARK W., HOY, WALTER S.
Publication of US20020051297A1 publication Critical patent/US20020051297A1/en
Application granted granted Critical
Publication of US6604329B2 publication Critical patent/US6604329B2/en
Assigned to EASYLOCK LLC, A TX LLC reassignment EASYLOCK LLC, A TX LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: EASY LOCK, LLC, A MO LLC
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S11/00—Non-electric lighting devices or systems using daylight
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/007—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for shipment or storage
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D2013/034—Daylight conveying tubular skylights
    • E04D2013/0345—Daylight conveying tubular skylights with skylight shafts extending from roof to ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/40—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of hollow light guides

Definitions

  • tubular skylight assemblies for example, as disclosed in U.S. Pat. Nos. 6,219,977, 6,256,947, Reissue No. 36,496 and Design Patent No. 382,347.
  • Such tubular skylights are commonly installed within the attic of a home generally from an inclined roof covering to a flat horizontal ceiling with a cylindrical light reflecting tube or rotatably connected cylindrical tube sections extending between the roof and ceiling.
  • the upper open end portion of the tube is covered by a light transmitting skylight usually formed of a plastics material and having an outwardly projecting flashing or flange which projects under the roof covering or shingles.
  • the lower open end of the tubing is commonly covered by a light transmitting plastic panel or lens which is attached to the ceiling.
  • a light conducting tube has also been constructed of a helically wound strip which is connected to provide a flexible tube having a circular cross-section and for accommodating a horizonatally offset condition between the roof rafters and the ceiling joists.
  • the present invention is directed to a new light conducting device or tube which is adapted for transmitting light from a skylight panel or lens mounted on the roof through a frame and panel or lens mounted on the ceiling.
  • the tube has flat semi-rigid side walls which are connected by flexible or folding corners to provide for folding the tube between a generally flat collapsed position and an expanded tubular position having a square or rectangular cross-section.
  • the side walls of the tube have inner light reflecting surfaces, and the size of the tube is selected to fit between the rafters and the joists.
  • the collapsible tube may be constructed of different materials such as semi-rigid corrugated paperboard or semi-rigid plastic sheet material.
  • the collapsible light conducting tube of the invention provides for not only a lower cost of construction, but is also easier to install and is light weight and compact for storage and shipment.
  • FIG. 1 is a vertical section through a skylight tube constructed in accordance with the invention and illustrating the tube installed within an attic of a house, and with a roof skylight panel or lens and ceiling panel or lens shown in exploded positions;
  • FIG. 2 is an exploded perspective view of the light conducting tube shown in FIG. 1, with the associated installation components also shown in exploded positions;
  • FIG. 3 is a perspective view of the light conducting tube of FIG. 2 and shown folded to its collapsed position.
  • FIGS. 1 and 2 illustrate a tubular skylight assembly 10 which installs between a roof 12 having roof sheeting 14 supported by and attached to parallel spaced rafters 16 and covered by overlapping shingles 18 or another form of roof covering.
  • the skylight assembly 10 includes a light conducting tube 20 constructed in accordance with the invention and having an upper open end portion 22 projecting through a square opening 24 cut within the roof sheeting 14 and roof covering 18 .
  • the tube 20 may extend vertically through an attic 30 of a house or other building structure and has a lower open end portion 32 extending through a square opening 34 within horizontal ceiling formed, for example, of drywall sheeting 36 attached to parallel spaced horizontal joists 38 . While the tube 20 is shown square in horizontal cross-section, the tube may also be rectangular in cross-section.
  • the inner white skin of the sheet forms the inner light reflecting surfaces 44 .
  • the tube 20 may be square or rectangular in cross-sectional configuration, and the flexible corners or hinges 42 provide for folding the tube 20 between a generally flat storage and shipping position, as shown in FIG. 3, and the expanded tubular position as shown in FIGS. 1 and 2.
  • the upper open end portion 22 of the tube 20 is then covered by a skylight panel 60 which is preferably vacuum formed of a sheet plastics material, for example, as disclosed in U.S. Pat. No. 6,263,624 which issued to the assignee of the present invention.
  • the skylight panel 60 is attached to the roof sheeting 14 by a set of screws 62 which extend through prepunched holes within an outwardly projecting flange portion 63 of the panel 60 .
  • the holes and screws are covered by the roof covering or shingles 18 along the top and side flange portions of the skylight panel.
  • the lower open end portion 32 of the tube 20 is preferably covered by a light diffusing panel or lens 65 which preferably has double or dual textured plastic panes 66 carried by a molded plastic frame 67 attached to the ceiling sheeting 36 by a set of screws 69 extending into the wood strips 52 .
  • resilient sealing strips or beads 72 are carried by the frame 67 and form a fluid-tight seal with the ceiling sheeting 36 so that cooler air within the tube 20 does not flow downwardly into the room below the ceiling sheeting 36 and warm humid air does not flow upwardly from the room into the tube 20 and condense on the panes 66 .
  • a formed fiberboard squaring tool 76 (FIG. 2) may be temporarily inserted into the tube 20 while it is being installed to insure that the tube remains square or rectangular with square corners. After the tube 20 is installed as shown in FIG. 1, the squaring tool 76 is removed.
  • the skylight tube reduces the number of parts in a tubular skylight assembly and significantly reduces the time required for installing a tubular skylight assembly.
  • the skylight tube is also light weight and more economical in construction, and the square or rectangular cross-sectional configuration conducts or transmits substantially more light than a tube of circular cross-section and having a diameter equal to the width of a side wall 40 of the tube 20 .
  • the collapsible light weight skylight tube is also desirable for handling, storage and shipping.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

An elongated open ended tube has a square or rectangular cross-section and light reflecting inner surfaces. The tube is formed with flat semi-rigid side walls flexibly connected at the corners for collapsing or folding the tube between a generally flat storage and shipping position and an expanded tubular position for installation. The tube extends within an attic of a building with its upper open end portion covered by a light transmitting skylight attached to the roof of the building and its lower open end portion covered by a light transmitting and diffusing panel or lens attached to a ceiling of the building.

Description

RELATED APPLICATION
This application is a continuation of application Ser. No. 29/114,189, filed Nov. 19, 1999 now Des. 464,436 issued Oct. 15, 2002.
BACKGROUND OF THE INVENTION
This invention relates to tubular skylight assemblies, for example, as disclosed in U.S. Pat. Nos. 6,219,977, 6,256,947, Reissue No. 36,496 and Design Patent No. 382,347. Such tubular skylights are commonly installed within the attic of a home generally from an inclined roof covering to a flat horizontal ceiling with a cylindrical light reflecting tube or rotatably connected cylindrical tube sections extending between the roof and ceiling. The upper open end portion of the tube is covered by a light transmitting skylight usually formed of a plastics material and having an outwardly projecting flashing or flange which projects under the roof covering or shingles. The lower open end of the tubing is commonly covered by a light transmitting plastic panel or lens which is attached to the ceiling. A light conducting tube has also been constructed of a helically wound strip which is connected to provide a flexible tube having a circular cross-section and for accommodating a horizonatally offset condition between the roof rafters and the ceiling joists.
SUMMARY OF THE INVENTION
The present invention is directed to a new light conducting device or tube which is adapted for transmitting light from a skylight panel or lens mounted on the roof through a frame and panel or lens mounted on the ceiling. The tube has flat semi-rigid side walls which are connected by flexible or folding corners to provide for folding the tube between a generally flat collapsed position and an expanded tubular position having a square or rectangular cross-section. The side walls of the tube have inner light reflecting surfaces, and the size of the tube is selected to fit between the rafters and the joists. The collapsible tube may be constructed of different materials such as semi-rigid corrugated paperboard or semi-rigid plastic sheet material. The collapsible light conducting tube of the invention provides for not only a lower cost of construction, but is also easier to install and is light weight and compact for storage and shipment.
Other features and advantages of the invention will be apparent from the following description, the accompanying drawings and the appended claims.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a vertical section through a skylight tube constructed in accordance with the invention and illustrating the tube installed within an attic of a house, and with a roof skylight panel or lens and ceiling panel or lens shown in exploded positions;
FIG. 2 is an exploded perspective view of the light conducting tube shown in FIG. 1, with the associated installation components also shown in exploded positions; and
FIG. 3 is a perspective view of the light conducting tube of FIG. 2 and shown folded to its collapsed position.
DESCRIPTION OF THE PREFERRED EMBODIMENT
FIGS. 1 and 2 illustrate a tubular skylight assembly 10 which installs between a roof 12 having roof sheeting 14 supported by and attached to parallel spaced rafters 16 and covered by overlapping shingles 18 or another form of roof covering. The skylight assembly 10 includes a light conducting tube 20 constructed in accordance with the invention and having an upper open end portion 22 projecting through a square opening 24 cut within the roof sheeting 14 and roof covering 18. The tube 20 may extend vertically through an attic 30 of a house or other building structure and has a lower open end portion 32 extending through a square opening 34 within horizontal ceiling formed, for example, of drywall sheeting 36 attached to parallel spaced horizontal joists 38. While the tube 20 is shown square in horizontal cross-section, the tube may also be rectangular in cross-section.
As shown in FIG. 2, the square light conducting tube 20 has four flat side walls 40 which are connected by flexible folding corners 42 which form integral hinges. The flat side walls 40 have inner light reflecting surfaces 44, and the tube 20 is preferably formed of a semi-rigid sheet material such as a semi-rigid corrugated paperboard or a semi-rigid sheet plastics material, either of which is scored or creased along parallel lines to form the integral hinge or folding corners 42. The light reflecting inner surfaces 44 may be formed by a light reflecting paint or other material such as aluminum foil laminated to the side walls 40. The tube 20 may also be formed of a white sheet of plastics material which is extruded with parallel spaced thin skins integrally connected by longitudinally extending and parallel spaced thin webs. The inner white skin of the sheet forms the inner light reflecting surfaces 44, As mentioned above, the tube 20 may be square or rectangular in cross-sectional configuration, and the flexible corners or hinges 42 provide for folding the tube 20 between a generally flat storage and shipping position, as shown in FIG. 3, and the expanded tubular position as shown in FIGS. 1 and 2.
After the openings 24 and 34 are cut within the roof sheeting 14 and ceiling sheeting 36, respectively, a set of four wood strips 52 are attached to the top surface of the ceiling sheeting 36 around the opening 34 by a set of screws 53. The expanded tube 20 is then installed within the openings 24 and 34, and the lower open end portion of the tube 20 is attached to the wood strips 52 by suitable fasteners such as nails, screws or staples. The upper open end portion 22 of the tube 20 is cut or trimmed along a line 54 corresponding to the pitch of the roof so that the upper end of the tube is substantially flush with the top surface of roof sheeting 14. The upper open end portion 22 of the tube 20 is attached to the roof sheeting 14 by suitable fasteners, such as nails, screws or staples, and a trimmed or removed portion 56 of the tube is discarded.
The upper open end portion 22 of the tube 20 is then covered by a skylight panel 60 which is preferably vacuum formed of a sheet plastics material, for example, as disclosed in U.S. Pat. No. 6,263,624 which issued to the assignee of the present invention. The skylight panel 60 is attached to the roof sheeting 14 by a set of screws 62 which extend through prepunched holes within an outwardly projecting flange portion 63 of the panel 60. The holes and screws are covered by the roof covering or shingles 18 along the top and side flange portions of the skylight panel. The lower open end portion 32 of the tube 20 is preferably covered by a light diffusing panel or lens 65 which preferably has double or dual textured plastic panes 66 carried by a molded plastic frame 67 attached to the ceiling sheeting 36 by a set of screws 69 extending into the wood strips 52. Preferably, resilient sealing strips or beads 72 are carried by the frame 67 and form a fluid-tight seal with the ceiling sheeting 36 so that cooler air within the tube 20 does not flow downwardly into the room below the ceiling sheeting 36 and warm humid air does not flow upwardly from the room into the tube 20 and condense on the panes 66. If desired, a formed fiberboard squaring tool 76 (FIG. 2) may be temporarily inserted into the tube 20 while it is being installed to insure that the tube remains square or rectangular with square corners. After the tube 20 is installed as shown in FIG. 1, the squaring tool 76 is removed.
From the drawings and the above description, it is apparent that a skylight tube constructed in accordance with the present invention, provides desirable features and advantages. For example, the skylight tube reduces the number of parts in a tubular skylight assembly and significantly reduces the time required for installing a tubular skylight assembly. The skylight tube is also light weight and more economical in construction, and the square or rectangular cross-sectional configuration conducts or transmits substantially more light than a tube of circular cross-section and having a diameter equal to the width of a side wall 40 of the tube 20. The collapsible light weight skylight tube is also desirable for handling, storage and shipping.
While the form of collapsible skylight tube herein described constitutes a preferred embodiment of the invention, it is to be understood that the invention is not limited to this precise form, and that changes may be made therein without departing from the scope and spirit of the invention as defined in the appended claims.

Claims (13)

What is claimed is:
1. In a building structure having an inclined roof spaced above a horizontal ceiling, a device for conducting natural light from said roof to said ceiling, comprising an elongated tube having generally flat side walls with inner surfaces, said side walls connected by four longitudinally extending flexible corners to provide for folding said tube between a generally flat collapsed position and an expanded tubular position, said tube having a lower open end portion connected to said ceiling, and said tube having an upper open end portion connected to said roof.
2. A device as defined in claim 1 wherein said tube comprises a sheet of material having parallel flexible hinge portions forming said corners of said tube and integrally connecting adjacent said side walls.
3. A device as defined in claim 1 wherein said side walls of said tube have inner light reflecting surfaces.
4. A device as defined in claim 1 wherein said tube has a square cross-sectional configuration in said expanded position.
5. A device as defined in claim 1 wherein said tube has a rectangular cross-sectional configuration in said expanded position.
6. A device as defined in claim 1 wherein said tube has square corner portions in said expanded position.
7. A device as defined in claim 1 wherein said tube has a predetermined length and width, and said length is substantially greater than said width of said tube.
8. In a building structure having an inclined roof spaced above a horizontal ceiling, a device for conducting natural light from said roof to said ceiling, comprising an elongated tube having generally flat side walls with inner light reflecting surfaces, said side walls connected by four longitudinally extending flexible corners to provide for folding said tube between a generally flat collapsed position and an expanded tubular position, said tube having a lower open end portion connected to said ceiling, said tube having an upper open end portion connected to said roof, a light transmitting skylight panel covering said upper open end portion of said tube, and a light transmitting lens covering said lower open end portion of said tube.
9. A device as defined in claim 8 wherein said tube comprises a sheet of material having parallel spaced and flexible hinge portions forming said corners of said tube and integrally connecting adjacent said side walls.
10. A device as defined in claim 8 wherein said tube has a square cross-sectional configuration in said expanded position.
11. A device as defined in claim 8 wherein said tube has a rectangular cross-sectional configuration in said expanded position.
12. A device as defined in claim 8 wherein said tube has a predetermined length and width, and said length is substantially greater than said width of said tube.
13. A device as defined in claim 8 in combination with a skylight of light transmitting material and adapted to be mounted on the roof over said upper open end portion of said tube.
US10/017,962 1999-11-19 2001-12-18 Light conducting tube for a skylight Expired - Fee Related US6604329B2 (en)

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US29/114,189 USD464436S1 (en) 1999-11-19 1999-11-19 Collapsible skylight tube having open ends and a light reflecting inner surface
US10/017,962 US6604329B2 (en) 1999-11-19 2001-12-18 Light conducting tube for a skylight

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US20030019164A1 (en) * 2001-07-24 2003-01-30 Weakes Jeffrey L. Air vent deflector insert
US20030159364A1 (en) * 2002-02-28 2003-08-28 The Nasher Foundation Light transmission system and method for buildings
US20050039410A1 (en) * 2003-08-20 2005-02-24 Fox Lite, Inc. Tubular skylight assembly
US20050081462A1 (en) * 2003-10-17 2005-04-21 Mulford Travis M. Skylight kit and method
US7104014B2 (en) * 2002-07-20 2006-09-12 Tony Skuse Apparatus for illuminating and/or venting the interior of a building
US7134254B1 (en) * 2003-02-10 2006-11-14 Van Gelder Terry L Skylight fall protection safety panel and method of making
US20080310147A1 (en) * 2007-06-18 2008-12-18 Blomberg Jerome O Hybrid Lighting System
US20100031573A1 (en) * 2008-08-06 2010-02-11 SafePro, L.P. Safety hatch system and egress method
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US7757444B1 (en) * 2003-01-31 2010-07-20 Sun Bulb, Inc. Skylight system
US20110017967A1 (en) * 2009-06-26 2011-01-27 Whiting Richard J Integrated safety rail protection system
US20110044041A1 (en) * 2009-08-20 2011-02-24 Paul August Jaster Daylighting devices and methods with auxiliary lighting fixtures
US20110141570A1 (en) * 2009-12-11 2011-06-16 David Windsor Rillie Direct and indirect light diffusing devices and methods
US8371078B2 (en) 2009-06-25 2013-02-12 Solatube International Sunlight collection system and apparatus
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WO2013086648A1 (en) 2011-12-13 2013-06-20 Universidad De Chile Device for capturing, transmitting and diffusing natural light into interior spaces, which comprises a conduit of inverted frustopyramidal form and a diffuser unit that emerges transversely with respect to the horizontal plane of the ceiling of a room
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EP3792423A1 (en) 2019-09-06 2021-03-17 VKR Holding A/S Window module with improved lifting assembly, and roof light system comprising such a window module as a ceiling module

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US20030019164A1 (en) * 2001-07-24 2003-01-30 Weakes Jeffrey L. Air vent deflector insert
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